RETL installations error

 Hello experts,

While RETL installations, I found the following errors

[rfx@dba ~]$ verify_retl

  Checking RETL Environment...passed!

  Checking RETL binary...passed!

  Running samples...failed!

===================================================================

RETL Installation is faulty! One or more tests failed in the samples directory.\n  See /tmp/verifyretl-4107.log for failed tests

   If tests have failed due to unexpected reasons, please contact support.

Please correct this problem and run the following line to verify

your installation is correct:

    verify_retl

===================================================================

Exiting...saving output in /tmp/verifyretl-4107.log

----------------------------------------------------------------------------------------------------------------------------------

Log files:->

[              binop]  [ [1;32;47m  Passed  [0;30;0m ]!

[             export]  [ [1;32;47m  Passed  [0;30;0m ]!

[           fieldmod]  [ [1;32;47m  Passed  [0;30;0m ]!

[             filter]  [ [1;31;47m**FAILED**[0;30;0m ] - 1 failure(s).